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  1. Relational GeoSolids®
    Relational GeoSolids®
    $18.99

    Ages 8 - 12

    Out of stock
  2. On Sale!
    Trundle Wheel with Counter
    Trundle Wheel with Counter
    Special Price $19.99 Regular Price $39.99

    Ages 6 - 10

  3. Brass Mass Set
    Brass Mass Set
    $14.99

    Ages 8 - 12

  4. Platform Scale (5 lb./2.2 kg)
    Platform Scale (5 lb./2.2 kg)
    $12.99

    Ages 8 - 99

    Out of stock
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